X41 doesn't keep time when it's powered off [solved]

[omero72]

My X41 recently started not to keep time when it's powered off. It's keeping the CMOS data, even if I remove the main (14.4V 4.5AH) battery and unplug the power cord.

I renewed the CMOS battery by soldering a new compatible Sony CR2032 to its socket cable that is I didn't buy a brand new original one. I plugged it into motherboard and tried, the same problem persists: It keeps CMOS data but not time.

I had recently apgrade the BIOS version to no-1802. Not sure if it's related to it but this problem started to pop up around the same time after I did this upgrade.

Any comments are appreciated.

[kfzhu1229]

Did you try disconnecting all power sources and the CMOS battery for one minute and then go to BIOS and reset to defaults?

[theterminator93]

I had a T60 that did something that sounds like this. Eventually replaced the motherboard. Never did figure out what the cause was - in BIOS the clock was not moving.

viewtopic.php?t=115450

[kfzhu1229]

I had a T60 that did something that sounds like this. Eventually replaced the motherboard. Never did figure out what the cause was - in BIOS the clock was not moving.

viewtopic.php?t=115450

Hmm do you think it is a dead CMOS crystal?

[theterminator93]

I'm certainly no electrical engineer, so for all I know it could have been! I bet that old system board is now part of an iPhone somewhere now...

[ajkula66]

It keeps CMOS data but not time.

What type of "CMOS data" are you referring to ?

[omero72]

Did you try disconnecting all power sources and the CMOS battery for one minute and then go to BIOS and reset to defaults?

Nope. I haven't done this. Would it help with the problem I'm having now? Alright, I'll give it try.

[omero72]

I had a T60 that did something that sounds like this. Eventually replaced the motherboard. Never did figure out what the cause was - in BIOS the clock was not moving.

viewtopic.php?t=115450

Just taken a look at your T60's problem. You said that the clock jumped back a random amount. My clock never did this. It just doesn't keep time when powered off. When powered on and the clock is set, then it keeps time perfectly.

[omero72]

I'm certainly no electrical engineer, so for all I know it could have been! I bet that old system board is now part of an iPhone somewhere now...

Well, this X41 has not been used too much. It's my secondary laptop which I occasionally use. it's been never used heavily.

[omero72]

It keeps CMOS data but not time.

What type of "CMOS data" are you referring to ?

if I remove both batteries and start up the X41, I experience a long wait (about 1 minute or so) at the boot, which then says "date & time is wrong, set them.." By CMOS data I was referring to it

[omero72]

After I disconnected all power sources and the CMOS battery and waited for several minutes, I reconnected the CMOS battery and started it up and the clock started to work perfectly! The problem 's solved. I'm happy and grateful. Thanks!